Home / 65,192,366,462.40-97,788,427,642.92-20,427,290,138.88

Finding the Fourth Proportional to 65,192,366,462.40, 97,788,427,642.92 and 20,427,290,138.88

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Solution

The fourth proportional to 65,192,366,462.40, 97,788,427,642.92 and 20,427,290,138.88 is: 30,640,896,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,192,366,462.40 : 97,788,427,642.92 = 20,427,290,138.88 : x
  2. Step 2: Convert to fraction form
    65,192,366,462.40/97,788,427,642.92 = 20,427,290,138.88/x
  3. Step 3: Cross multiply
    65,192,366,462.40x = 97,788,427,642.92 × 20,427,290,138.88
  4. Step 4: Simplify right side
    65,192,366,462.40x = 1,997,552,583,686,800,277,504
  5. Step 5: Solve for x
    x = 1,997,552,583,686,800,277,504/65,192,366,462.40
  6. Step 6: Final answer
    x = 30,640,896,965.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.